Journal Article

A deep X-ray observation of the supernova remnant G304.6+0.1 (Kes 17) using <i>Suzaku</i>

F. Gök and A. Sezer

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 423, issue 2, pages 1215-1220
Published in print June 2012 | ISSN: 0035-8711
Published online June 2012 | e-ISSN: 1365-2966 | DOI:
A deep X-ray observation of the supernova remnant G304.6+0.1 (Kes 17) using Suzaku

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In this paper, we present the analysis of a deep (99.6 ks) observation of G304.6+0.1 with the X-ray Imaging Spectrometer on board the Suzaku satellite. The X-ray spectral data are well fitted with a plasma model consisting of a thermal component, in collisional ionization equilibrium, and a non-thermal component. The thermal emission is well fitted with the vmekal model with an electron temperature of kTe∼ 0.75 keV, a high absorbing column density of NH∼ 3.9 × 1022 cm−2 and near/lower solar abundances, which indicate that the X-ray emitting plasma of G304.6+0.1 is dominated by a swept-up ambient medium. The non-thermal component is well fitted with a power-law model with a photon index of Γ∼ 1.4. We have found a relatively high electron density ne∼ 2.3f−1/2 cm−3, an age t∼ 1.4 × 104f1/2 yr and an X-ray emitting mass Mx∼ 380f1/2 M at an adopted distance of d= 10 kpc. Using the morphological and spectral X-ray data, we confirm that the remnant is a new member of the mixed-morphology supernova remnants.

Keywords: ISM: individual objects: G304.6+0.1 (Kes 17); ISM: supernova remnants; X-rays: ISM

Journal Article.  3838 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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